(sling-org-apache-sling-mcp-server) 08/27: feat(mcp): expose the recent requests data as a resource

[ro...@apache.org]

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rombert pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/sling-org-apache-sling-mcp-server.git

commit a361f5a1ac7665999b4aef966183211108419384
Author: Robert Munteanu <ro...@apache.org>
AuthorDate: Wed Dec 10 15:52:01 2025 +0100

    feat(mcp): expose the recent requests data as a resource
---
 pom.xml                                            |  6 ++
 .../impl/contribs/RecentRequestsContribution.java  | 73 ++++++++++++++++++++++
 2 files changed, 79 insertions(+)

diff --git a/pom.xml b/pom.xml
index 4a2323c..e41f259 100644
--- a/pom.xml
+++ b/pom.xml
@@ -78,6 +78,12 @@
             <version>3.0.2</version>
             <scope>provided</scope>
         </dependency>
+        <dependency>
+            <groupId>org.apache.sling</groupId>
+            <artifactId>org.apache.sling.engine</artifactId>
+            <version>2.10.2</version>
+            <scope>provided</scope>
+        </dependency>
         <dependency>
             <groupId>jakarta.servlet</groupId>
             <artifactId>jakarta.servlet-api</artifactId>
diff --git a/src/main/java/org/apache/sling/mcp/server/impl/contribs/RecentRequestsContribution.java b/src/main/java/org/apache/sling/mcp/server/impl/contribs/RecentRequestsContribution.java
new file mode 100644
index 0000000..53a127e
--- /dev/null
+++ b/src/main/java/org/apache/sling/mcp/server/impl/contribs/RecentRequestsContribution.java
@@ -0,0 +1,73 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.sling.mcp.server.impl.contribs;
+
+import java.util.List;
+import java.util.Optional;
+import java.util.stream.Collectors;
+import java.util.stream.StreamSupport;
+
+import org.apache.sling.engine.RequestInfo;
+import org.apache.sling.engine.RequestInfoProvider;
+import org.apache.sling.mcp.server.impl.McpServerContribution;
+import org.osgi.service.component.annotations.Activate;
+import org.osgi.service.component.annotations.Component;
+import org.osgi.service.component.annotations.Reference;
+
+import io.modelcontextprotocol.server.McpStatelessServerFeatures.SyncResourceSpecification;
+import io.modelcontextprotocol.spec.McpSchema.ReadResourceResult;
+import io.modelcontextprotocol.spec.McpSchema.Resource;
+import io.modelcontextprotocol.spec.McpSchema.TextResourceContents;
+
+@Component
+public class RecentRequestsContribution implements McpServerContribution {
+
+    private RequestInfoProvider requestInfoProvider;
+
+    @Activate
+    public RecentRequestsContribution(@Reference RequestInfoProvider requestInfoProvider) {
+        this.requestInfoProvider = requestInfoProvider;
+    }
+
+    private String describe(RequestInfo ri) {
+        return "Id: " + ri.getId() + "\n" + "Method: "
+                + ri.getMethod() + "\n" + "Path: " + ri.getPath() + "\n" + "User id: " + ri.getUserId() + "\n"
+                + ":\n" + ri.getLog();
+    }
+
+    @Override
+    public Optional<SyncResourceSpecification> getSyncResourceSpecification() {
+        return Optional.of(new SyncResourceSpecification(
+                new Resource.Builder()
+                        .uri("recent-requests://all")
+                        .description("Prints all recent requests ( excluding /bin/mcp ). Contains information about method, path, user id and a verbose log of internal operations, including authenticaiton, resource resolution, script resolution, nested scripts/servlets and filters.")
+                        .name("recent-requests-all")
+                        .build(),
+                (context, request) -> {
+                    String allRequests = StreamSupport.stream(
+                                    requestInfoProvider.getRequestInfos().spliterator(), false)
+                            .filter((ri) -> !ri.getPath().equals("/bin/mcp"))
+                            .map(this::describe)
+                            .collect(Collectors.joining("\n\n" + "-".repeat(20) + "\n\n"));
+
+                    return new ReadResourceResult(
+                            List.of(new TextResourceContents("recent-requests://all", "text/plain", allRequests)));
+                }));
+    }
+}